Sounder for alarm unit



FIG. 1 is a perspective view of a sounder for alarm unit in accordance with a first embodiment of the present invention;

FIG. 2 is front side view thereof;

FIG. 3 is right side view thereof;

FIG. 4 is left side view thereof;

FIG. 5 is rear side view thereof;

FIG. 6 is bottom view thereof; and,

FIG. 7 is top view thereof.

The features shown in broken lines in the various Figures are for illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a sounder for alarm unit, as shown and described. 